abu3ttallah
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# 66 Actions

 Feb 5 awarded Teacher Feb 4 awarded Critic Feb 4 suggested rejected edit on Determine whether the following function is (a) injective and (b) surjective Feb 4 revised Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$ added 104 characters in body; added 17 characters in body; edited body Feb 4 comment Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$ Thanks for the hint. I just want to see if my formula correct or not. Feb 4 revised Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$ deleted 3 characters in body Feb 4 asked Do we have $\int_{[0,1]^3} \min (x,y,z)\,dx\,dy\,dz=6\int_0^1\int_0^y \int_0^z x \,dz\,dy\,dx?$ Feb 4 comment Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$ OP has not yet accepted any answer. Feb 3 comment Any solutions to problems in Harris book moduli of curves thanks so much. Feb 3 comment Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$ @mathguy84 yes. I am not sure if this equality holds if we drop the condition the $A$ has a unit. Feb 3 revised Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$ added 10 characters in body; added 5 characters in body Feb 3 revised Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$ added 98 characters in body Feb 3 answered Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$ Feb 3 comment Given two-sided ideals $B$ and $C$ of a ring $A$, show that $BC \subseteq B \cap C$ I think you need A to be with a unit, then you have Feb 3 asked Relation between Jan 26 asked Any solutions to problems in Harris book moduli of curves Dec 21 accepted If $u_k$ are all positive, and $\sum_{k>n} u_k < u_n$ Dec 21 accepted Solve the functional equation $f (2x)=f (x)\cos x$ Dec 21 revised Solve the functional equation $f (2x)=f (x)\cos x$ added 83 characters in body Dec 21 comment Solve the functional equation $f (2x)=f (x)\cos x$ I did fix the issues, I am just reading this from original book in Arabic, and then I found a similar question in French. I am just practicing some problems in Analysis.